Chepstow Castle (Welsh: Castell Cas-gwent) at Chepstow, Monmouthshire, Wales, is the oldest surviving post-Roman stone fortification in Britain. Located above cliffs on the River Wye, construction began in 1067 under the instruction of the Norman Lord William FitzOsbern. Known initially as Striguil, it was the southernmost of a chain of castles built in the Welsh […]